KNOWN: Temperature and velocity of engine oil. Temperature and length of flat plate.FIND: (a) Velocity and thermal boundary layer thickness at trailing edge, (b) Heat flux and surface shearstress at trailing edge, (c) Total drag force and heat transfer per unit plate width, and (d) Plot the boundarylayer thickness and local values of the shear stress, convection coefficient, and heat flux as a function of xfor 0≤x≤1 m.SCHEMATIC:Engine oilU∞ = 0.1 m/sT= 100 °C-Ts = 20 °CL=1mASSUMPTIONS: (1) Critical Reynolds number is 5 × 105, (2) Flow over top and bottom surfaces.PROPERTIES: Table 4.5, Engine Oil (T₁ = 333 K): p=864 kg/m³, v = 86.1 × 106 m²/s, k = 0.140W/mK, Pr 1081.=

Step - 1:Tf=2T∞+Ts=2100+20Tf=60°CTf=333KGiven…

Answered: KNOWN: Temperature and velocity of…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Deep sea pipelines are used to transport oil and gas across large distances, at depths greater than 2km. The pipes are typically made from high grade steel plate (X80), which is bent, then seam welded to produce a section of pipe. During installation, sections of this pipe are welded together. In deep water, installation is usually conducted using the J-lay system. In the J-lay system, a string of pipe is hung from a barge, and allowed to fall to the sea floor, forming a J-shaped string. As the pipe is lowered, new sections are welded to the end of the string, and the barge moves forward. This system enables a good degree of accuracy in placing the pipe, and requires a less powerful ship than other laying systems. It does, however, place significant loads upon the pipe itself. sophers 2000m Tmin=400m Pipeline
a,b and c are answered|answer other please.I know the 3 subparts at a time can be answered but i am posting second time so please!
Quiescent means that you will be using natural convection (so buoyancy type of convection) (not forced convection)
Specimen Length: 0.1 m Specimen Surface Area: 0.11 m² Table 3(b): Air velocity V = 3.0 m/s Heater Plate Power, Q temperature, (Watts) TH (°C) 20 40 60 54.5 68.4 86.7 Ambient Temperature, TA (°C) 23.3 23.3 23.3 Temperature Difference, TH-TA (°C) 31.2 45.1 63.4 h (W/m²K)
1
b Estimate the radius of the cylindrically shaped crater that such a comet strikes the Moon. Assume that the crater, of depth 10 km, is formed by heating to 3,500 K, and thus vaporizing, a cylindrical volume of moon rocks. Moon rocks are made of silicates, which have molecular weights of ~ 30 (i.e., m cm°. Ignore the latent heat required to melt and vapourize the rocks, and the energy involved in vapourizing the comet itself. creates when it 30 mH), and mean solid densities p ~ 2 g/ ~
Question 9 Consider the flow of water over a flat plate. In a different experiment consider the flow of air over a flat plate. In both cases the flow is steady, the boundary layers that are formed are laminar and the gravitational acceleration can be neglected. In both cases the velocity far from the plates is the same (v.) and the temperature is also the same (80 °F). For the same distance x from the leading edge, in which boundary layer will the friction coefficient be higher? (a) The friction coefficient is the same for both cases. (b) In water. (c) In air. (d) It depends on the velocity profile that is assumed inside the boundary layer.
Atmospheric air with a temperature of 300 K flows on both sides of a thin, rectangular, flat plate that is maintained at 600 K. The plate is 150 mm long and 75 mm wide. The free stream velocity is 2.5 m/s; plate's length is in the direction of air flow. Draw a labeled sketch and determine: a) The drag force acting on the plate. b) The rate of heat loss from the plate.
At 25oC, one block was blown by wind at 65oC as shown in Figure 1. The block has dimension of 9m-long, 4m-wide and 2m-thick in its size. Considering that time is 1 atm and a velocity of 60 km/h, calculate the force drag on the wall surface. Also, find the solution (force drag) if the velocity has partially blown on the wall.
PROBLEM: 1VB-29 FROM THE BOOK: ENGINEERING THERMOFLUIDS, M. MASSOUD.

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